FUEL TECH INC

Ticker: FTEK CUSIP: 359523107 Class: COM

YHB Investment Advisors, Inc.'s Holding History (CIK: 0001469219)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015
Shares 22,475 Value ($000) $49 Avg Close $2.62 Range $2.18 - $3.16
Q1 2015
Shares 22,475 Value ($000) $70 Avg Close $3.28 Range $3.00 - $3.86
Q4 2014
Shares 22,475 Value ($000) $86 Avg Close $3.99 Range $3.61 - $4.45
Q3 2014
Shares 22,475 Value ($000) $96 Avg Close $4.78 Range $4.10 - $5.68
Q2 2014
Shares 22,475 Value ($000) $127 Avg Close $5.62 Range $4.96 - $6.77
Q1 2014
Shares 22,475 Value ($000) $112 Avg Close $6.44 Range $4.90 - $8.50
Q4 2013
Shares 22,475 Value ($000) $159 Avg Close $6.09 Range $4.19 - $9.63
Q3 2013
Shares 31,475 Value ($000) $137 Avg Close $3.98 Range $3.63 - $4.78
Q2 2013
Shares 31,475 Value ($000) $121 Avg Close $3.91 Range $3.55 - $4.42